19th Century

1939-1945 World War II
  • 1939 Soviet invasion of Poland
  • 1939-1940 Winter War
  • 1940-1941 Greco-Italian War
  • 1941-1945 Soviet-German war
  • 1941-1944 Continuation War
  • 1944 Slovak National Uprising
  • 1944-1956 Guerilla war in the Baltic states
  • 1945-1949 Greek Civil War
  • 1953 Uprising in East Germany
  • 1956 Uprising in Poznań
  • 1956 Hungarian Revolution
  • 1956-1962 Operation Harvest
  • 1958 First Cod War
  • 1959-2011 Basque Conflict
  • 1968 Soviet invasion of Czechoslovakia
  • 1968-1998 The Troubles
  • 1970-1984 Unrest in Italy
  • 1972-1973 Second Cod War
  • 1974 Turkish invasion of Cyprus
  • 1975-1976 Third Cod War
  • 1988-1994 Nagorno-Karabakh War
  • 1989 Romanian Revolution
  • 1991 Ten-Day War
  • 1991-1992 Georgian war against Russo-Ossetian alliance
  • 1991-1993 Georgian Civil War
  • 1991-1995 Croatian War of Independence
  • 1992 War of Transnistria
  • 1992 Ossetian-Ingush conflict
  • 1992-1993 First Georgian war against Russo-Abkhazian alliance
  • 1992-1995 Bosnian War
  • 1993 Cherbourg incident
  • 1993 Russian constitutional crisis
  • 1994-1996 First Chechen War
  • 1997 Unrest in Albania
  • 1998-1999 Kosovo War
  • 1998-present Dissident Irish Republican campaign
  • 1998 Second Georgian war against Russian-Abkhazian alliance
  • 1999 Dagestan War
  • 1999-2009 Second Chechen War
  • 1999-2001 Insurgency in the Preševo Valley

21st century

  • 2001 Insurgency in the Republic of Macedonia
  • 2002 Perejil Island crisis
  • 2004 Unrest in Kosovo
  • 2004 Georgia, Adjara crisis
  • 2006 Georgia, Kodori crisis
  • 2007-present Civil war in Ingushetia
  • 2008 Unrest in Kosovo
  • 2008 2008 Georgian-Russian War
  • 2009-present Insurgency in the North Caucasus
  • 2011-present Kosovo-Serbia border clashes